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PHP File delete using unlink function

We can delete files by giving its URL or path in PHP by using unlink command. This command will work only if write permission is given to the folder or file. Without this the delete command will fail. Here is the command to delete the file.

unlink($path);


Here $path is the relative path of the file calculated from the script execution. Here is an example of deleting file by using relative path

$path="images/all11.css";
if(unlink($path)) echo "Deleted file ";


We have used if condition to check whether the file delete command is successful or not. But the command below will not work.

$path="http://domainname/file/red.jpg";
if(unlink($path)) echo "Deleted file ";


The warning message will say unlink() [function.unlink]: HTTP does not allow unlinking

Discuss this tutorial at forum


Further readings
Reading from local and remote files by using fopen()
Writing to a file by fwrite() function
unlink:Deleting file by using unlink function
Deleting all files present inside a directory
Downloading files using header control
File upload to server using PHP
File upload using PHP 5 and register_global off
Uploading More than one file to server
Displaying all files and directory of a folder
Getting the Present file name running the PHP script
Getting the last updated time of the file in PHP
Displaying the last modification time of the file
Searching for text within a pair of tags of a html page
Listing All title tags inside a directory














 

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